<template>
  <div class="border border-br flex flex-col" :style="styles">
    <toolbar class="border-b border-br" :editor="editorRef" :defaultConfig="toolbarConfig" :mode="mode" />
    <w-editor
      class="flex-1 overflow-hidden"
      v-model="valueHtml"
      :defaultConfig="editorConfig"
      :mode="mode"
      @onCreated="handleCreated"
    />
    <material-picker ref="materialPickerRef" :type="fileType" :limit="-1" hidden-upload @change="selectChange" />
  </div>
</template>
<script setup lang="ts">
import '@wangeditor/editor/dist/css/style.css' // 引入 css
import { Editor as WEditor, Toolbar } from '@wangeditor/editor-for-vue'
import type { IEditorConfig, IToolbarConfig } from '@wangeditor/editor'
import MaterialPicker from '@/components/material/picker.vue'
import { addUnit } from '@/utils/util'
import type { CSSProperties } from 'vue'

const props = withDefaults(
  defineProps<{
    modelValue?: string
    mode?: 'default' | 'simple'
    height?: string | number
    width?: string | number
    toolbarConfig?: Partial<IToolbarConfig>
  }>(),
  {
    modelValue: '',
    mode: 'default',
    height: '100%',
    width: 'auto',
    toolbarConfig: () => ({})
  }
)

const emit = defineEmits<{
  (event: 'update:modelValue', value: string): void
}>()

// 编辑器实例，必须用 shallowRef
const editorRef = shallowRef()
const materialPickerRef = shallowRef<InstanceType<typeof MaterialPicker>>()
const fileType = ref('')

let insertFn: any

const editorConfig: Partial<IEditorConfig> = {
  MENU_CONF: {
    uploadImage: {
      customBrowseAndUpload(insert: any) {
        fileType.value = 'image'
        materialPickerRef.value?.showPopup(-1)
        insertFn = insert
      }
    },
    uploadVideo: {
      customBrowseAndUpload(insert: any) {
        fileType.value = 'video'
        materialPickerRef.value?.showPopup(-1)
        insertFn = insert
      }
    }
  }
}

const styles = computed<CSSProperties>(() => ({
  height: addUnit(props.height),
  width: addUnit(props.width)
}))
const valueHtml = computed({
  get() {
    return props.modelValue
  },
  set(value) {
    emit('update:modelValue', value)
  }
})

const selectChange = (fileUrl: string[]) => {
  fileUrl.forEach((url) => {
    insertFn(url)
  })
}

// 组件销毁时，也及时销毁编辑器
onBeforeUnmount(() => {
  const editor = editorRef.value
  if (editor == null) return
  editor.destroy()
})

const handleCreated = (editor: any) => {
  editorRef.value = editor // 记录 editor 实例，重要！
}
</script>

<style lang="scss">
.w-e-full-screen-container {
  z-index: 999;
}

.w-e-text-container [data-slate-editor] ul {
  list-style: disc;
}

.w-e-text-container [data-slate-editor] ol {
  list-style: decimal;
}

h1 {
  font-size: 2em;
}

h2 {
  font-size: 1.5em;
}

h3 {
  font-size: 1.17em;
}

h4 {
  font-size: 1em;
}

h5 {
  font-size: 0.83em;
}

h1,
h2,
h3,
h4,
h5 {
  font-weight: bold;
}
</style>
